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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
11 * copyright notice, this list of conditions and the following disclaimer | 11 * copyright notice, this list of conditions and the following disclaimer |
12 * in the documentation and/or other materials provided with the | 12 * in the documentation and/or other materials provided with the |
13 * distribution. | 13 * distribution. |
14 * * Neither the name of Google Inc. nor the names of its | 14 * * Neither the name of Google Inc. nor the names of its |
15 * contributors may be used to endorse or promote products derived from | 15 * contributors may be used to endorse or promote products derived from |
16 * this software without specific prior written permission. | 16 * this software without specific prior written permission. |
17 * | 17 * |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | |
31 /** | 30 /** |
32 * @constructor | 31 * @unrestricted |
33 */ | 32 */ |
34 WebInspector.TextDictionary = function() | 33 WebInspector.TextDictionary = class { |
35 { | 34 constructor() { |
36 /** @type {!Map<string, number>} */ | 35 /** @type {!Map<string, number>} */ |
37 this._words = new Map(); | 36 this._words = new Map(); |
38 this._index = new WebInspector.Trie(); | 37 this._index = new WebInspector.Trie(); |
| 38 } |
| 39 |
| 40 /** |
| 41 * @param {string} word |
| 42 */ |
| 43 addWord(word) { |
| 44 var count = this._words.get(word) || 0; |
| 45 ++count; |
| 46 this._words.set(word, count); |
| 47 this._index.add(word); |
| 48 } |
| 49 |
| 50 /** |
| 51 * @param {string} word |
| 52 */ |
| 53 removeWord(word) { |
| 54 var count = this._words.get(word) || 0; |
| 55 if (!count) |
| 56 return; |
| 57 if (count === 1) { |
| 58 this._words.delete(word); |
| 59 this._index.remove(word); |
| 60 return; |
| 61 } |
| 62 --count; |
| 63 this._words.set(word, count); |
| 64 } |
| 65 |
| 66 /** |
| 67 * @param {string} prefix |
| 68 * @return {!Array.<string>} |
| 69 */ |
| 70 wordsWithPrefix(prefix) { |
| 71 return this._index.words(prefix); |
| 72 } |
| 73 |
| 74 /** |
| 75 * @param {string} word |
| 76 * @return {boolean} |
| 77 */ |
| 78 hasWord(word) { |
| 79 return this._words.has(word); |
| 80 } |
| 81 |
| 82 /** |
| 83 * @param {string} word |
| 84 * @return {number} |
| 85 */ |
| 86 wordCount(word) { |
| 87 return this._words.get(word) || 0; |
| 88 } |
| 89 |
| 90 reset() { |
| 91 this._words.clear(); |
| 92 this._index.clear(); |
| 93 } |
39 }; | 94 }; |
40 | |
41 WebInspector.TextDictionary.prototype = { | |
42 /** | |
43 * @param {string} word | |
44 */ | |
45 addWord: function(word) | |
46 { | |
47 var count = this._words.get(word) || 0; | |
48 ++count; | |
49 this._words.set(word, count); | |
50 this._index.add(word); | |
51 }, | |
52 | |
53 /** | |
54 * @param {string} word | |
55 */ | |
56 removeWord: function(word) | |
57 { | |
58 var count = this._words.get(word) || 0; | |
59 if (!count) | |
60 return; | |
61 if (count === 1) { | |
62 this._words.delete(word); | |
63 this._index.remove(word); | |
64 return; | |
65 } | |
66 --count; | |
67 this._words.set(word, count); | |
68 }, | |
69 | |
70 /** | |
71 * @param {string} prefix | |
72 * @return {!Array.<string>} | |
73 */ | |
74 wordsWithPrefix: function(prefix) | |
75 { | |
76 return this._index.words(prefix); | |
77 }, | |
78 | |
79 /** | |
80 * @param {string} word | |
81 * @return {boolean} | |
82 */ | |
83 hasWord: function(word) | |
84 { | |
85 return this._words.has(word); | |
86 }, | |
87 | |
88 /** | |
89 * @param {string} word | |
90 * @return {number} | |
91 */ | |
92 wordCount: function(word) | |
93 { | |
94 return this._words.get(word) || 0; | |
95 }, | |
96 | |
97 reset: function() | |
98 { | |
99 this._words.clear(); | |
100 this._index.clear(); | |
101 } | |
102 }; | |
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